Everyday Expressions Hello / Hi / Good morning / Good afternoon / Good evening Good-bye / Bye / Bye-bye / See you / So long / See you soon / See you later / See you on Monday. Have a nice day / Have a good evening / Have a great weekend Can I go to the toilet, please? (Informal) Could I go to the toilet, please? (Semi-formal) May I go to the toilet, please? (Formal) Can I go to the vending machine, please? Sorry, I didn't get that. Can you repeat what you said, please? Can you repeat that, please? Can you say that again, please? Pardon? Excuse me. Can you help me, please? I'm sorry, I don't understand. Can you spell ...., please?